KR890010810A - 동기신호 검출회로 - Google Patents

동기신호 검출회로 Download PDF

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Publication number
KR890010810A
KR890010810A KR1019880017176A KR880017176A KR890010810A KR 890010810 A KR890010810 A KR 890010810A KR 1019880017176 A KR1019880017176 A KR 1019880017176A KR 880017176 A KR880017176 A KR 880017176A KR 890010810 A KR890010810 A KR 890010810A
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KR
South Korea
Prior art keywords
signal
gate circuit
circuit
counting
outputting
Prior art date
Application number
KR1019880017176A
Other languages
English (en)
Other versions
KR0124314B1 (ko
Inventor
가즈토시 시미즈메
히로카즈 구로다
Original Assignee
오가 노리오
소니 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 오가 노리오, 소니 가부시키가이샤 filed Critical 오가 노리오
Publication of KR890010810A publication Critical patent/KR890010810A/ko
Application granted granted Critical
Publication of KR0124314B1 publication Critical patent/KR0124314B1/ko

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G11B27/3063—Subcodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Synchronizing For Television (AREA)
  • Television Signal Processing For Recording (AREA)
  • Details Of Television Scanning (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

내용 없음

Description

동기신호 검출회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 디지탈오디오데이터의 재생신호의 프레임 구성을 나타내는 설명도.
제2도는 본 발명에 의한 동기신호 검출회로가 적용될 수 있는 디지탈오디어데이터 재생장치의 일예를 나타내는 블록도,
제3도는 본 발명에 의한 프레임 동기신호 검출회로의 일예를 나타내는 블록도.

Claims (2)

  1. 재생동기신호(SYNC) 및 윈도신호(LMASK)가 입력되는 게이트회로(35)와, 상기 게이트회로로부터의 출력신호(MSYNC)와 동기되면서 삽입동기신호(ISYNC) 및 윈도신호(LMASK)를 출력하기 위하여 일정 속도의 제1클록신호(FIC)를 계수하는 계수기수단(36,37,40,41)과, 상기 게이트 회로로부터의 출력신호 또는 삽입동기신호 따라서 동기검출신호(RESET)를 출력하는 수단(46)으로 이루어지는 동기신호 검출회로에 있어서, 상기 계수기수단(36,37,40,41)은 삽입동기신호(ISYNC)를 출력하기 위하여 재생신호로부터 형성되는 제2클록신호(PLC)를 계수하는 제1계수기회로(36,40)와, 윈도신호(LMSK)를 출력하기 위하여 제1클록신호(FIC)를 계수하는 제2계수기회로(37,41)를 포함하는 것을 특징으로 하는 동기신호 검출회로.
  2. 재생동기신호(SYNC) 및 윈도신호(LMASK)가 입력되는 게이트회로(35)와, 상기 게이트회로로부터의 출력신호(MSYNC)와 동기되면서 삽입동기신호(ISYNC) 및 윈도신호(LMASK)를 출력하기 위하여 클록신호(FIC)를 계수하는 제1계수기수단(36,37,40,41)과, 상기 게이트 회로로부터의 출력신호 또는 삽입동기신호에 따라서 동기검출신호(RESET)를 출력하는 수단(46)으로 이루어지는 동기신호 검출회로에 있어서, 상기 게이트회로의 출력신호와 삽입동기신호 사이의 일치 또는 불일치를 각각 표시하는 일치신호(GDSY) 및 불일치신호(NGSY)를 출력하는 수단(42,43,44)과, 일치신호를 계수하는 제2계수기 수단(48)과, 불일치신호를 계수하는 제3계수기수단(49)과, 상기 제2 및 제3계수기수단의 계수치에 따라서 윈도신호의 주기를 제어하는수단(50,51,52,53,54,56)을 포함하는 것을 특징으로 하는 동기신호검출회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880017176A 1987-12-23 1988-12-22 동기신호검출회로 KR0124314B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62325669A JP2712212B2 (ja) 1987-12-23 1987-12-23 同期信号の検出及び保護回路
JP62-325669 1987-12-23

Publications (2)

Publication Number Publication Date
KR890010810A true KR890010810A (ko) 1989-08-10
KR0124314B1 KR0124314B1 (ko) 1997-11-28

Family

ID=18179393

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880017176A KR0124314B1 (ko) 1987-12-23 1988-12-22 동기신호검출회로

Country Status (8)

Country Link
US (1) US4979192A (ko)
EP (1) EP0322782B1 (ko)
JP (1) JP2712212B2 (ko)
KR (1) KR0124314B1 (ko)
AT (1) ATE103093T1 (ko)
AU (1) AU629522B2 (ko)
DE (1) DE3888498T2 (ko)
HK (1) HK181995A (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03173975A (ja) * 1989-09-20 1991-07-29 Canon Inc 信号抽出方法および信号抽出装置
JPH03185684A (ja) * 1989-12-14 1991-08-13 Asaka Co Ltd マルチビーム光ディスク装置の同期信号検出回路
JP2606090B2 (ja) * 1993-07-14 1997-04-30 日本電気株式会社 光学的情報制御装置
CA2114193A1 (en) * 1994-01-25 1995-07-26 Hiroyuki Shimizu Time-division multiplex communication transmission apparatus
CN1040824C (zh) * 1994-07-08 1998-11-18 日本胜利株式会社 数字调制/解调方法和设备
JP2972657B2 (ja) * 1997-06-20 1999-11-08 山形日本電気株式会社 Ｅｆｍ信号のフレーム周期検出回路及びｅｆｍ信号再生用ビット同期クロック信号の周波数制御方法
KR100287141B1 (ko) * 1997-11-21 2001-04-16 윤종용 비정상동기신호제거방법
KR100258332B1 (ko) * 1997-12-26 2000-06-01 윤종용 싱크검출장치와 그에 따른 광 디스크 재생장치
US6087867A (en) * 1998-05-29 2000-07-11 Lsi Logic Corporation Transaction control circuit for synchronizing transactions across asynchronous clock domains
US6320881B1 (en) * 1998-06-25 2001-11-20 Cypress Semiconductor Corp. Method, architecture and circuit for locking a data transmission frame
KR100555464B1 (ko) * 1999-02-08 2006-03-03 삼성전자주식회사 광학시스템의 프레임 동기 신호 삽입 장치 및 방법
JP2004007267A (ja) * 2002-05-31 2004-01-08 Panasonic Communications Co Ltd Ｄｓｌモデム装置及びｄｓｌ通信における通信制御方法
JP2004056432A (ja) * 2002-07-19 2004-02-19 Sony Corp 同期信号検出装置、同期信号検出方法
US7372928B1 (en) * 2002-11-15 2008-05-13 Cypress Semiconductor Corporation Method and system of cycle slip framing in a deserializer
KR100524954B1 (ko) * 2003-03-17 2005-11-01 삼성전자주식회사 광 디스크 시스템에서 데이터 복조 에러를 감소시키는프레임 싱크 신호 검출 장치 및 검출 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3159812A (en) * 1962-03-26 1964-12-01 Bell Telephone Labor Inc Frame synchronization of pulse transmission systems
US4611335A (en) * 1981-09-30 1986-09-09 Hitachi, Ltd. Digital data synchronizing circuit
CA1212729A (en) * 1981-12-08 1986-10-14 Hiroshi Ogawa Digital signal detecting and compensating circuit with adjustable window signal
US4453260A (en) * 1982-06-15 1984-06-05 Tokyo Shibaura Denki Kabushiki Kaisha Synchronizing circuit for detecting and interpolating sync signals contained in digital signal
JPS6083264A (ja) * 1983-10-14 1985-05-11 Nippon Gakki Seizo Kk フレ−ム同期したカウンタ回路
JPS60106073A (ja) * 1983-11-14 1985-06-11 Toshiba Corp 記録再生装置
JPS60145566A (ja) * 1984-01-05 1985-08-01 Ricoh Co Ltd デ−タ記録再生方式
JPS61101139A (ja) * 1984-10-24 1986-05-20 Pioneer Electronic Corp シンク検出装置
US4777542A (en) * 1985-04-26 1988-10-11 Mitsubishi Denki Kabushiki Kaisha Data recording method
JPH0640419B2 (ja) * 1985-05-28 1994-05-25 ソニー株式会社 同期信号の検出回路
US4872155A (en) * 1987-03-13 1989-10-03 Pioneer Electronic Corporation Clock generator circuit and a synchronizing signal detection method in a sampled format system and a phase comparator circuit suited for generation of the clock
JPH0538441Y2 (ko) * 1987-07-29 1993-09-29

Also Published As

Publication number Publication date
AU629522B2 (en) 1992-10-08
EP0322782A3 (en) 1991-02-27
DE3888498T2 (de) 1994-06-23
KR0124314B1 (ko) 1997-11-28
AU2703788A (en) 1989-06-29
ATE103093T1 (de) 1994-04-15
EP0322782B1 (en) 1994-03-16
JPH01166375A (ja) 1989-06-30
EP0322782A2 (en) 1989-07-05
US4979192A (en) 1990-12-18
JP2712212B2 (ja) 1998-02-10
HK181995A (en) 1995-12-08
DE3888498D1 (de) 1994-04-21

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